petsc-3.12.5 2020-03-29
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PCMGSetType

Determines the form of multigrid to use: multiplicative, additive, full, or the Kaskade algorithm.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGSetType(PC pc,PCMGType form)
Logically Collective on PC

Input Parameters

pc - the preconditioner context
form - multigrid form, one of PC_MG_MULTIPLICATIVE, PC_MG_ADDITIVE, PC_MG_FULL, PC_MG_KASKADE

Options Database Key

-pc_mg_type <form> -Sets <form>, one of multiplicative, additive, full, kaskade

See Also

PCMGSetLevels()

Level

advanced

Location

src/ksp/pc/impls/mg/mg.c

Examples

src/ksp/ksp/examples/tutorials/ex42.c.html

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages